注册商标的有效期为 (   ) ，自核准注册之日起计算。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26673' and id < 2220380 and id<>'2220380' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26673' and id > 2220380 and id<>'2220380' order by id asc limit 5